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04-16-2023, 09:14 PM
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#1
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Veteran Member
City: Queen Charlotte, BC
Vessel Name: Brigus
Vessel Model: Monk 36
Join Date: Jun 2020
Posts: 46
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Gross Tonnage
Does anyone know what the gross tonnage of a 1986 Monk 36 would be? The paper work gives a net tonnage of 16.73, but I’d like to know the gross
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04-16-2023, 09:22 PM
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#2
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Moderator Emeritus
City: Au Gres, MI
Vessel Name: Black Dog
Vessel Model: Formula 41PC
Join Date: Jul 2015
Posts: 21,191
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Add in the area in cubic feet of the engine room and non cargo carrying areas and divide by 100. That will give you the tonnage excluding the net, or cargo carrying, tonnage.
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04-16-2023, 09:24 PM
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#3
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Veteran Member
City: Queen Charlotte, BC
Vessel Name: Brigus
Vessel Model: Monk 36
Join Date: Jun 2020
Posts: 46
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Does non cargo include living space?
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04-16-2023, 09:39 PM
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#4
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Guru
City: Coupeville Wa.
Vessel Name: Pacific Myst
Vessel Model: West Bay 4500
Join Date: Oct 2015
Posts: 2,415
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Curious why you're interested in gross tonnage of a recreational boat?
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Some things are worth doing simply because they are worth doing.
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04-16-2023, 09:44 PM
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#5
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Moderator Emeritus
City: Au Gres, MI
Vessel Name: Black Dog
Vessel Model: Formula 41PC
Join Date: Jul 2015
Posts: 21,191
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Don’t confuse Gross Tonnage with the weight of the vessel. Tonnage, Net and Gross, is a volume calculation.
Net Tonnage: is a vessel's gross tonnage minus deductions of space occupied by accommodations for crew, by machinery, for navigation, by the engine room and fuel. A vessel's net tonnage expresses the space available for the accommodation of passengers and the stowage of cargo. A ton of cargo in most instances occupies less than 100 cubic feet; hence the vessel's cargo tonnage may exceed its net tonnage, and, indeed, the tonnage of cargo carried is usually greater than the gross tonnage.
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If you are one there is no explanation necessary.
If you aren’t one, there is no explanation possible.
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04-16-2023, 09:46 PM
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#6
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Guru
City: Coupeville Wa.
Vessel Name: Pacific Myst
Vessel Model: West Bay 4500
Join Date: Oct 2015
Posts: 2,415
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I see you're in Canada. Start here https://tc.canada.ca/en/marine-trans...e-measurements to find an official method to determine gross tonnage for vessels less than. 12 meters.
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Some things are worth doing simply because they are worth doing.
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04-16-2023, 09:51 PM
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#7
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Guru
City: Coupeville Wa.
Vessel Name: Pacific Myst
Vessel Model: West Bay 4500
Join Date: Oct 2015
Posts: 2,415
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Comodave is giving an accurate description of gross tonnage for US vessels. I'm not sure how well it describes gross tonnage under other nation's rules and regulations. In any case it has nothing to do with the weight of the vessel. That would be displacement.
__________________
Some things are worth doing simply because they are worth doing.
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04-16-2023, 09:54 PM
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#8
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Veteran Member
City: Queen Charlotte, BC
Vessel Name: Brigus
Vessel Model: Monk 36
Join Date: Jun 2020
Posts: 46
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At the beginning of 2023 I acquired my Master 500T Domestic Certificate. In the Transport Canada regs it states that in order to maintain that certificate, I must have x (can’t remember exactly) amount of days as master of a vessel 25T or greater within a 5 year period. I got the certificate so I can run tractor tugs in the ship berthing industry, but haven’t made it to the skipper’s chair yet.
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04-16-2023, 09:56 PM
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#9
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Veteran Member
City: Queen Charlotte, BC
Vessel Name: Brigus
Vessel Model: Monk 36
Join Date: Jun 2020
Posts: 46
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Yep. I refer to the physical weight of a vessel as its displacement, or “dry weight”.
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04-16-2023, 10:18 PM
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#10
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Guru
City: Coupeville Wa.
Vessel Name: Pacific Myst
Vessel Model: West Bay 4500
Join Date: Oct 2015
Posts: 2,415
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Quote:
Originally Posted by mvermeer
At the beginning of 2023 I acquired my Master 500T Domestic Certificate. In the Transport Canada regs it states that in order to maintain that certificate, I must have x (can’t remember exactly) amount of days as master of a vessel 25T or greater within a 5 year period. I got the certificate so I can run tractor tugs in the ship berthing industry, but haven’t made it to the skipper’s chair yet.
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I understand your goal. I don't think looking for the gross tonnage of your Monk on an internet forum is the way to go. Study the link I posted to find a gross tonnage Transport Canada will accept. Hopefully it's enough to maintain your masters license.
__________________
Some things are worth doing simply because they are worth doing.
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04-16-2023, 10:21 PM
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#11
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Veteran Member
City: Queen Charlotte, BC
Vessel Name: Brigus
Vessel Model: Monk 36
Join Date: Jun 2020
Posts: 46
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Their formula for vessels under 12m is kinda odd. It’s says it’s for net and gross tonnage lol on other words it’s too insignificant to matter. Puts my boat at around 14T.
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04-16-2023, 10:32 PM
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#12
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Guru
City: Coupeville Wa.
Vessel Name: Pacific Myst
Vessel Model: West Bay 4500
Join Date: Oct 2015
Posts: 2,415
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I'm in the US, my certificate is US issued. But Transport Canada's guesstimate of gross and net for a Monk 36 seem about right. Seems to me you're going to need time on a bigger boat to maintain your certificate. Generally gross and net tonnage are less than displacement. A Monk 36 would have to weigh more than 25 tons to get a gross tonnage rating of 25 tons.
__________________
Some things are worth doing simply because they are worth doing.
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04-16-2023, 11:43 PM
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#13
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Moderator Emeritus
City: Au Gres, MI
Vessel Name: Black Dog
Vessel Model: Formula 41PC
Join Date: Jul 2015
Posts: 21,191
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Quote:
Originally Posted by Portage_Bay
Comodave is giving an accurate description of gross tonnage for US vessels. I'm not sure how well it describes gross tonnage under other nation's rules and regulations. In any case it has nothing to do with the weight of the vessel. That would be displacement.
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My bad in that I assumed you were in the US, didn’t notice the BC address.
__________________
Boat Nut:
If you are one there is no explanation necessary.
If you aren’t one, there is no explanation possible.
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04-17-2023, 04:47 AM
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#14
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TF Site Team
City: Saltspring Island
Vessel Name: Retreat
Vessel Model: C&L 44
Join Date: Nov 2007
Posts: 5,663
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I know my 44' by C&L has a GT of under 20. The Monk, being significantly smaller, will never be "25T or more" for your license purposes.
(Canadian)
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Keith
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04-17-2023, 05:25 AM
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#15
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Guru
City: Ft Pierce
Vessel Name: Sold
Vessel Model: Was an Albin/PSN 40
Join Date: Oct 2011
Posts: 28,149
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Not sure about Canada, but I believe the tonnage rule for US captains does use "measurement tonnage" and not displacement.
Otherwise many of those 100+ passenger dinner cruise boats I doubt would no come in under 100T.....a US license is also based on gross tonnage.
I wonder why the Canadian certificate of Registry doesn't have both net and gross tonnage listed? Seems like some parallels between Canada and US rules.... maybe to keep things simple between us.
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04-17-2023, 09:59 AM
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#16
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Guru
City: Campbell River
Vessel Name: Okisollo
Join Date: Apr 2012
Posts: 783
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I have Canadian registration, it lists both gross tonnage
and net registered tonnage
does not indicate displacement.
Ted
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